8c-9=7c+4

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Solution for 8c-9=7c+4 equation:


Simplifying
8c + -9 = 7c + 4

Reorder the terms:
-9 + 8c = 7c + 4

Reorder the terms:
-9 + 8c = 4 + 7c

Solving
-9 + 8c = 4 + 7c

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-7c' to each side of the equation.
-9 + 8c + -7c = 4 + 7c + -7c

Combine like terms: 8c + -7c = 1c
-9 + 1c = 4 + 7c + -7c

Combine like terms: 7c + -7c = 0
-9 + 1c = 4 + 0
-9 + 1c = 4

Add '9' to each side of the equation.
-9 + 9 + 1c = 4 + 9

Combine like terms: -9 + 9 = 0
0 + 1c = 4 + 9
1c = 4 + 9

Combine like terms: 4 + 9 = 13
1c = 13

Divide each side by '1'.
c = 13

Simplifying
c = 13

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